We will port w83792d.c to linux-2.6
Huang0 at Winbond.com.tw
Huang0 at Winbond.com.tw
Sun Feb 6 04:46:08 CET 2005
Hi Jean, MDS
I'm sorry that I sent that mail by a mistake before I finish describing
the second question. Here is my second question:
(2) In my 792 driver for linux-2.4, the measured "temp3" value is
always wrong. The temp3 value I get usually to be "127 degree", which is
far from the correct value. I have checked that CR[0xC8] is 0x7f,
CR[0xC9] is 0x0.
The strange thing is that: use the same motherboard I have, I test
the Windows driver for 792, temp3 can get the correct value(about 40 degree)
I confirm that Windows version use the same calculation method as Linux version
to temp3. But linux version can NOT get the correct temp3 value.
Do you have any suggestion about it? It's very strange. I can NOT find the reason.
> -----Original Message-----
> From: PI14 HUANG0
> Sent: 2005Äê2ÔÂ6ÈÕ 10:29
> To: 'Jean Delvare'; 'Mark Studebaker'
> Cc: PI10 LHHsu; PI14 DZSHEN; LM Sensors
> Subject: RE: We will port w83792d.c to linux-2.6
> Hi Jean, MDS
> I have two questions about W83792D driver:
> (1) When I write the 792 driver for linux-2.4, I find that there is
> such member "struct i2c_client *lm75" in struct w83781d_data.
> I'm not familiar with it, I delete it and all the related codes
> in 792 driver, it seems 792 driver for 2.4 can work well.
> Now when I refer to the w83781d.c for linux-2.6, I see it again.
> Could you give me some introduction about it? Can I delete it and
> the function "w83781d_detect_subclients()"?
> (2) In my 792 driver for inux-2.4, the measured "temp" value is
> always wrong. I usually get the value ""
> > -----Original Message-----
> > From: Jean Delvare [mailto:khali at linux-fr.org]
> > Sent: 2005Äê2ÔÂ4ÈÕ 19:55
> > To: PI14 HUANG0
> > Cc: PI10 LHHsu; PI14 DZSHEN; LM Sensors
> > Subject: RE: We will port w83792d.c to linux-2.6
> > Hi Chunhao,
> > > Provided that I have successfully ported w83792d.c from linux-2.4 to 2.6,
> > > How should I add it into the linux kernel tree linux-2.6.10 for test?
> > > I have tried the following steps:
> > > (1)Add a file w83792d.c into the directory
> > > /usr/src/linux-2.6.10/drivers/i2c/chips/
> > Correct.
> > > (2) modify /usr/src/linux-2.6.10/drivers/i2c/chips/Makefile (add 792
> > Correct again.
> > > (3) modify /usr/src/linux-2.6.10/.config (add 792 part)
> > Not correct. You need to edit
> > /usr/src/linux-2.6.10/drivers/i2c/chips/Kconfig, where you'd add a
> > section for the w83792d driver, just copy, paste and edit from another
> > chip's section.
> > Once done, use "make oldconfig" or "make menuconfig" to enable the
> > new driver, preferably as a module. You can edit .config manually but
> > that's definitely not the easiest way!
> > > Btw, the Documentation/i2c/writing-clients in linux-2.6.10 and
> > > linux-2.6.11-rc3 is NOT for linux-2.6, but for linux-2.4. You need to
> > > update it.
> > You are right, this file is severly outdated, and would need an update.
> > Probably not everything needs to be, the overall structure of the
> > document seems correct, the major change would be to remove all
> > references to procfs and replace with sysfs info. Feel free to propose a
> > corrective patch for that file!
> > Thanks,
> > --
> > Jean Delvare
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